Home / 12,376.92-17,081.05-7,071.62

Finding the Fourth Proportional to 12,376.92, 17,081.05 and 7,071.62

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Solution

The fourth proportional to 12,376.92, 17,081.05 and 7,071.62 is: 9,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.92 : 17,081.05 = 7,071.62 : x
  2. Step 2: Convert to fraction form
    12,376.92/17,081.05 = 7,071.62/x
  3. Step 3: Cross multiply
    12,376.92x = 17,081.05 × 7,071.62
  4. Step 4: Simplify right side
    12,376.92x = 120,790,720.95
  5. Step 5: Solve for x
    x = 120,790,720.95/12,376.92
  6. Step 6: Final answer
    x = 9,759.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.